67003666705 has 16 divisors (see below), whose sum is σ = 80772367104. Its totient is φ = 53357754240.

The previous prime is 67003666673. The next prime is 67003666721. The reversal of 67003666705 is 50766630076.

It is not a de Polignac number, because 67003666705 - 2⁵ = 67003666673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6013990 + ... + 6025120.

It is an arithmetic number, because the mean of its divisors is an integer number (5048272944).

Almost surely, 2^67003666705 is an apocalyptic number.

It is an amenable number.

67003666705 is a deficient number, since it is larger than the sum of its proper divisors (13768700399).

67003666705 is a wasteful number, since it uses less digits than its factorization.

67003666705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536.

The product of its (nonzero) digits is 952560, while the sum is 46.

It can be divided in two parts, 6700 and 3666705, that added together give a triangular number (3673405 = T₂₇₁₀).

The spelling of 67003666705 in words is "sixty-seven billion, three million, six hundred sixty-six thousand, seven hundred five".